Brain scans reveal what happens when heavy cannabis users quit
NCT ID NCT05472818
First seen Mar 19, 2026 · Last updated May 30, 2026 · Updated 14 times
Summary
This study looks at whether quitting cannabis for at least 4 weeks can improve brain cell connections in people with cannabis use disorder. Researchers will use brain scans and memory tests to compare changes in cannabis users versus healthy non-users. The goal is to understand how long-term cannabis use affects the brain and whether abstinence can reverse those effects.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Yale University School of Medicine
RECRUITINGNew Haven, Connecticut, 06511, United States
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